package com.bwie.orders.controller;

import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.bwie.orders.conf.AlipayConfig;
import com.bwie.orders.entity.OrderEntity;
import com.bwie.orders.service.OrderService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import java.io.UnsupportedEncodingException;

/**
 * @author ShuangyeZhao
 * @date 2022/2/24
 */
@Controller
@RequestMapping("/alipay")
public class PayOrderController {
    @Autowired
    private OrderService orderService;


    @RequestMapping("/pay")
    public String pay(@RequestParam String orderId) throws Exception {
        //先查出来这个额订单
        OrderEntity orderEntity = orderService.getById(orderId);
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(AlipayConfig.return_url);
        alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

        //商户订单号，商户网站订单系统中唯一订单号，必填 ***
        String out_trade_no = new String(orderEntity.getSorder().toString().getBytes(),"UTF-8");
        //付款金额，必填 ***
        String total_amount = new String(orderEntity.getGoodsPrice().toString().getBytes(),"UTF-8");
        //订单名称，必填 ***
        String subject = new String(orderEntity.getGoodsName().getBytes(),"UTF-8");
        //商品描述，可空  ***
        String body = new String(orderEntity.getGoodsName().getBytes("ISO-8859-1"),"UTF-8");

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
                + "\"total_amount\":\""+ total_amount +"\","
                + "\"subject\":\""+ subject +"\","
                + "\"body\":\""+ body +"\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

        //若想给BizContent增加其他可选请求参数，以增加自定义超时时间参数timeout_express来举例说明
        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
        		+ "\"total_amount\":\""+ total_amount +"\","
        		+ "\"subject\":\""+ subject +"\","
        		+ "\"body\":\""+ body +"\","
        		+ "\"timeout_express\":\"10m\","
        		+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        //请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节

        //请求
        String result = alipayClient.pageExecute(alipayRequest).getBody();

        //输出
        return result;
    }






}
